Toothbrush



FIG. 1 is a right front perspective view of a toothbrush according to the new design;

FIG. 2 is a left front perspective view thereof;

FIG. 3 is a right rear perspective view thereof;

FIG. 4 is a left rear perspective view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a right-side elevation view thereof;

FIG. 8 is a left-side elevation view thereof;

FIG. 9 is an enlarged top plan view thereof;

FIG. 10 is an enlarged bottom plan view thereof;

FIG. 11 is a close-up view of area 11 of FIG. 1;

FIG. 12 is a close-up view of area 12 of FIG. 2;

FIG. 13 is a close-up view of area 13 of FIG. 3;

FIG. 14 is a close-up view of area 14 of FIG. 4;

FIG. 15 is a close-up view of area 15 of FIG. 6;

FIG. 16 is a close-up view of area 16 of FIG. 7; and,

FIG. 17 is a close-up view of area 17 of FIG. 8.

The dotted lines illustrate portions of the article that form no part of the claimed design. The long-short dashed broken lines shown on the article illustrate the bounds of the claimed design and form no part thereof. The circles shown in long-short dashed broken lines illustrate the bounds of the enlarged detail views and the portions of the figures from which they were taken and form no part of the claimed design. 

CLAIM The ornamental design for a toothbrush, as shown and described. 